PDF malware analysis — malicious · 950f7577f5a5acde

MALICIOUS

PDF

42.5 KB Created: 2021-05-12 23:05:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: e70fea92b3ac97ca6104873019948c8d SHA-1: 6a695dd578c729a9f732fbef6a9f337bf9845840 SHA-256: 950f7577f5a5acde84d96688e7ac3f87f9e75fa85d46808b174da5e68a0675c9

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE

PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://netcdn.xyz/app/406889139/coin-master-raid-hack-game-hack PDF link annotation
- https://puslitbangperhutani.com/ckfinder/userfiles/files/robux-hack-2021_GM431946152.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/coin-master-free-spins-daily-1-ga_GM406889139.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/legit-coin-master-hack-october-2021_GM406889139.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/inappropriate-roblox-games_GM431946152.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/free-coin-master-spins_GM406889139.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/minecraft-hacked-client-download_GM479516143.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/toolbox-for-minecraft-pe_GM479516143.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/claimrbx-free-robux_GM431946152.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/roblox-svg-free_GM431946152.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/free-minecraft-svg-cutting-files_GM479516143.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/spin-link_GM406889139.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/coin-master-facebook_GM406889139.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/android-coin-master-3433-apk-hack_GM406889139.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/hacks-for-roblox-jailbreak_GM431946152.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/coin-master-daily-free-coins-link-today_GM406889139.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/roblox-rape-hack_GM431946152.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
- https://puslitbangperhutani.com/ckfinder/userfiles/files/free-spins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004bea.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4BEA	24568 bytes
SHA-256: `056bf15ae8ba408ef093234e9d62153b63c2b723885d0d9b1042082fafa0c9f5`
`font_01_sfnt_off000084ae.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x84AE	17888 bytes
SHA-256: `3bcd7f88e9aff6a3f00dfa05e6d37dfcb1a17a5992fabfc54377b1f82d15f42c`

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